Function put_architect_llm_vendor_secret 

pub fn put_architect_llm_vendor_secret(
    config: &DbBackendConfig,
    adapter: &dyn DatabaseOperations,
    schema: &AppSchema,
    vault_path: &Path,
    root_key_file: &Path,
    llm_vendor_id: &str,
    secret_file: &Path,
) -> Result<ArchitectVaultResult, AgentErrorKind>

Stores or rotates one Architect LLM vendor secret from a local secret file.